England’s Semesa Rokoduguni will be out for longer than expected after shoulder surgery and will miss the entire Six Nations, reports BBC Radio Bristol.
The Bath wing, 30, had been set to miss after being forced off in 2 December’s Premiership loss to Exeter.
A four-month recovery period is more likely for Rokoduguni, who was recalled to the national side in November.
England’s Six Nations campaign begins in Italy on 3 February, ending against Ireland on 17 March.
Rokoduguni adds to England’s injury problems out wide, with Wasps’ Lions winger Elliot Daly out for the tournament with an ankle injury, while Exeter’s Jack Nowell is a doubt for the pre-tournament training camp as he too has an ankle injury.
England also have problems at number eight, with Saracens’ Billy Vunipola out for the tournament with a fractured forearm and Wasps’ Nathan Hughes unlikely to play any part because of a knee injury.
Bath are understood to be hoping to bring in former Worcester winger Cooper Vuna on a deal until the end of the season to cover for Rokoduguni.
New Zealand-born Tonga international Vuna, 30, left Sixways at the
Fiji-born Rokoduguni, who made his England debut in 2014, has scored 47 Premiership tries for Bath in 85 starts since 2012.